Fix typo in README

Author: hnw

README.md

@@ -61,7 +61,7 @@ extension=timecop.so
 var_dump(date("Y-m-d")); // todays date
 timecop_freeze(0);
 var_dump(gmdate("Y-m-d H:i:s")); // string(19) "1970-01-01 00:00:00"
-var_dump(strtotime("+100000 sec")); // int(10000)
+var_dump(strtotime("+100000 sec")); // int(100000)
 ```
 
 ## CHANGELOG